<?php //$Id: field.class.php,v 1.10.2.2 2009/01/29 13:43:50 jamiesensei Exp $

class profile_field_menu extends profile_field_base {
	var $options;
	var $datakey;

	/**
	 * Constructor method.
	 * Pulls out the options for the menu from the database and sets the
	 * the corresponding key for the data if it exists
	 */
	function profile_field_menu($fieldid=0, $userid=0) {
		//first call parent constructor
		$this->profile_field_base($fieldid, $userid);

		/// Param 1 for menu type is the options
		$options = explode("\n", $this->field->param1);
		$this->options = array();
		if ($this->field->required){
			$this->options[''] = get_string('choose').'...';
		}
		foreach($options as $key => $option) {
			$this->options[$key] = format_string($option);//multilang formatting
		}

		/// Set the data key
		if ($this->data !== NULL) {
			$this->datakey = (int)array_search($this->data, $this->options);
		}
	}

	/**
	 * Create the code snippet for this field instance
	 * Overwrites the base class method
	 * @param   object   moodleform instance
	 */
	function edit_field_add(&$mform) {
		$mform->addElement('select', $this->inputname, format_string($this->field->name), $this->options);
	}

	/**
	 * Set the default value for this field instance
	 * Overwrites the base class method
	 */
	function edit_field_set_default(&$mform) {
		if (FALSE !==array_search($this->field->defaultdata, $this->options)){
			$defaultkey = (int)array_search($this->field->defaultdata, $this->options);
		} else {
			$defaultkey = '';
		}
		$mform->setDefault($this->inputname, $defaultkey);
	}

	/**
	 * The data from the form returns the key. This should be converted to the
	 * respective option string to be saved in database
	 * Overwrites base class accessor method
	 * @param   integer   the key returned from the select input in the form
	 */
	function edit_save_data_preprocess($key) {
		return isset($this->options[$key]) ? addslashes($this->options[$key]) : NULL;
	}

	/**
	 * When passing the user object to the form class for the edit profile page
	 * we should load the key for the saved data
	 * Overwrites the base class method
	 * @param   object   user object
	 */
	function edit_load_user_data(&$user) {
		$user->{$this->inputname} = $this->datakey;
	}

}

?>
